Syndax Pharmaceuticals Ownership & Insider Activity

Syndax Pharmaceuticals (SNDX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.9% of shares outstanding. Institutional investors hold 48.2%.

Shares Outstanding

89.297M

Shares Float

87.771M

Insider Shares Owned

1.701M

Insider % Owned

1.9%

Institutional Shares Held

43.391M

Institutional % Held

48.2%

Ownership Breakdown

Net Insider Activity by Month

Syndax Pharmaceuticals Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Oct 29, 2026	Dennis Podlesak	—	SELL-OPTIONS	—	$13.01	$19K
Jul 8, 2026	Michael A Metzger	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$15.31	$578K
Jun 11, 2026	AJ Nicholas Botwood	HEAD R&D, CMO	SELL	11.765K	$15.94	$441K
Jun 1, 2026	Keith Goldan	CHIEF FINANCIAL OFFICER	SELL	1.177K	$18.99	$22K
Jun 1, 2026	Michael A Metzger	CHIEF EXECUTIVE OFFICER	SELL	6.847K	$18.99	$130K